Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quando os Avenging Angels foram fundados?
 ###Tabelas: CREATE TABLE current_members (current_members_id AUTO_INCREMENT PRIMARY KEY, Institution VARCHAR, Location VARCHAR, Nickname VARCHAR, Founded INT, Type VARCHAR, Enrollment INT, Joined INT) CREATE TABLE offense (offense_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Gain INT, Loss INT, Long INT, Avg/G VARCHAR) CREATE TABLE assembly_plants (assembly_plants_id AUTO_INCREMENT PRIMARY KEY, Company VARCHAR, Parent company VARCHAR, Parent headquarters VARCHAR, Plant VARCHAR, Models produced VARCHAR, Production (latest figures) VARCHAR) CREATE TABLE british_railways_batch (british_railways_batch_id AUTO_INCREMENT PRIMARY KEY, BRNo. INT, Name VARCHAR, Builder VARCHAR, Whenbuilt VARCHAR, Withdrawn VARCHAR) CREATE TABLE a-link_express (a-link_express_id AUTO_INCREMENT PRIMARY KEY, Model VARCHAR, Codename VARCHAR, Released VARCHAR, Fab ( nm ) INT, SATA VARCHAR, USB 2.0+1.1 VARCHAR, USB 3.0 VARCHAR, Parallel ATA 1 VARCHAR, RAID INT, Gb Ethernet MAC VARCHAR, Package VARCHAR, TDP ( W ) INT)  
SELECT MAX Founded FROM current_members WHERE Nickname = Avenging Angels